HarbourVest Partners, a global investment firm, led a $26m Series B round in Expressable, the market leader in research-based, family-centered speech therapy care, with participation from Digitalis Ventures, F-Prime Capital and Lerer Hippeau. The financing will support efforts to enhance the company's technology-enabled care delivery platform, expand their clinical network of W2-employed speech-language pathologists, and accelerate a growing roster of health plan and provider partnerships across the country.